Investigation and analysis of the distribution status of seagrass resources in the southern part of Hainan Island

Chen Shiquan; Wu Zhongjie; Chen Xiaohui; Li Yuanchao; Cai Zefu; Zhang Guangxing; Yao Haijun; Huang Jieying

doi:10.3969/j.issn.0253-4193.2015.06.011

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Chen Shiquan, Wu Zhongjie, Chen Xiaohui, Li Yuanchao, Cai Zefu, Zhang Guangxing, Yao Haijun, Huang Jieying. Investigation and analysis of the distribution status of seagrass resources in the southern part of Hainan Island[J]. Haiyang Xuebao, 2015, 37(6): 106-113. doi: 10.3969/j.issn.0253-4193.2015.06.011

Citation:

Chen Shiquan, Wu Zhongjie, Chen Xiaohui, Li Yuanchao, Cai Zefu, Zhang Guangxing, Yao Haijun, Huang Jieying. Investigation and analysis of the distribution status of seagrass resources in the southern part of Hainan Island[J]. Haiyang Xuebao, 2015, 37(6): 106-113. doi: 10.3969/j.issn.0253-4193.2015.06.011

Citation:

Chen Shiquan, Wu Zhongjie, Chen Xiaohui, Li Yuanchao, Cai Zefu, Zhang Guangxing, Yao Haijun, Huang Jieying. Investigation and analysis of the distribution status of seagrass resources in the southern part of Hainan Island[J]. Haiyang Xuebao, 2015, 37(6): 106-113. doi: 10.3969/j.issn.0253-4193.2015.06.011

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Investigation and analysis of the distribution status of seagrass resources in the southern part of Hainan Island

doi: 10.3969/j.issn.0253-4193.2015.06.011

Hainan Academy of Ocean and Fisheries Sciences, Haikou 570125, China

Received Date: 2014-09-04

Abstract

Abstract

Analysis and discussion of the distribution status of the seagrass in the southern part of Hainan island, based on the investigation data that were collected in 2008 and 2014. The results show that, the species of the seagrass in the southern part of Hainan island have 2 families, 3 subfamily, 5 genera and 5 species, namely Cymodocea rotunda, Thalassia hemprichii, Enhalus acoroides, Halophila ovalis, Enhalus acoroides, and the Thalassia hemprichii was distributed widely. Tielugang lagoon and Xiaodonghai were the decreased greatly areas, when the distribution of the seagrass has decreased by 1.64 km² to 0.50 km², and the average coverage of seagrass was downed by 35.67% to 26.40% from 2008 to 2014. It was difference to the average density and average biomass when they was subjected to the different influencing factors of the human activity and no one manage. The average density and biomass have increased in Huohai Bay and Luhuitou, while them have decreased in the areas just as Tielugang lagoon, Ximaozhou Island and Xiaodonghai. It hopes all society sectors to protection of seagrass, set up seagrass reserves in the rich seagrass resources areas, increase the government scientific support to protection and restoration of seagrass in the destroyed severity areas, in view of the seagrass resources has showed a degradation phenomena.
- southern part of Hainan Island,
- distribution status,
- seagrass,
- change trend

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References(23)

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